diff --git a/features/mbedtls/targets/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F756ZG/mbedtls_device.h b/features/mbedtls/targets/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F756ZG/mbedtls_device.h
index 1824a47b36..d9f663b2dd 100644
--- a/features/mbedtls/targets/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F756ZG/mbedtls_device.h
+++ b/features/mbedtls/targets/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F756ZG/mbedtls_device.h
@@ -25,5 +25,9 @@
 
 
 #define MBEDTLS_SHA256_ALT
+#define MBEDTLS_MD5_ALT
+
+#define MBEDTLS_MD5_C
+
 
 #endif /* MBEDTLS_DEVICE_H */